package jdbc;





import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Collection;
import java.util.Scanner;

public class JdbcDemo2 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
      /*  Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        Statement statement = connection.createStatement();
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入用户名");
        String username  = scanner.nextLine();
        System.out.println("请输入密码");
        String password = scanner.nextLine();
        String sql = "update userfinfo set password ='"+password+"',username ='"+username+"'";
        int i = statement.executeUpdate(sql);
        if (i > 0) {
            System.out.println("密码修改成功");
        }else {
            System.out.println("密码修改失败");
        }*/

        Class.forName("com.mysql.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        Statement statement = connection.createStatement();
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入用户名");
        String username = scanner.nextLine();
        System.out.println("请输入密码");
        String password = scanner.nextLine();
        String sql = "update userinfo set username='"+username+"', password='"+password+"'";
        int i =statement.executeUpdate(sql);
        if (i>0){
            System.out.println("修改成功");
        }else {
            System.out.println("修改失败");
        }
        connection.close();



    }
}
